- Add more browsers to defaults (`> 1%, last 2 versions, ff 17, opera 12.1` instead of just `last 2 browsers`). - Keep vendor prefixes without unprefixed version (like vendor-specific hacks). - Convert gradients to old WebKit syntax (actual for Android 2.3). - Better support for several syntaxes with one prefix (like Flexbox and gradients in WebKit). - Add intrinsic and extrinsic sizing values support. - Remove never existed prefixes from common mistakes (like -ms-transition). - Add Opera 17 data. - Fix selector prefixes order. - Fix browser versions order in inspect.